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Finding the Fourth Proportional to 60,671.70, 91,007.55 and 25,650.90

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Solution

The fourth proportional to 60,671.70, 91,007.55 and 25,650.90 is: 38,476.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,671.70 : 91,007.55 = 25,650.90 : x
  2. Step 2: Convert to fraction form
    60,671.70/91,007.55 = 25,650.90/x
  3. Step 3: Cross multiply
    60,671.70x = 91,007.55 × 25,650.90
  4. Step 4: Simplify right side
    60,671.70x = 2,334,425,564.30
  5. Step 5: Solve for x
    x = 2,334,425,564.30/60,671.70
  6. Step 6: Final answer
    x = 38,476.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.